Celestron 15-35x70 SkyMaster Zoom Binoculars

Equipped with a large aperture and a broad zoom range - the Celestron 15-35x70 SkyMaster Zoom Binoculars are an ideal choice for long-duration astronomical or long-distance terrestrial use The large objectives ensure volumes of light are gathered to see better than smaller-aperture models - and the easy zoom lever allows you set the binoculars on low-power to easily find your subject - then zoom in to detailed - close observations These binoculars are engineered with an exceptionally long eye relief to make them comfortable to look through for extended periods of time - while limiting eye strain Because of the size and weight of the SkyMaster binoculars - Celestron includes a tripod adapter to provide a hands-free option and relieve arm-strain - reduce fatigue - and limit vibrations

Features: Weight: 3.3 Pounds, Large Center Focusing Wheel, Weather-Resistant Armored Housing, Fold-Down Rubber Eyecups, Traditional BAK-4 Porro Prisms, Anti-Reflection Multi-Coated Optics, Wide and Versatile Zoom Capability, 1/4-inch -20 Tripod Adapter Included

Prism Type: Porro (BAK4)

Magnification: 15 to 35x

Objective Lens Diameter: 70 mm

Angle of View: 15x: 2.2 degrees (Actual)

Field of View: 15x: 111' @ 1000 yd / 36.85 m @ 1000 m

Minimum Focus Distance: 73.8' / 22.5 m

Exit Pupil Diameter: 15x: 4.7 mm35x: 2 mm

Eye Relief: 15x: 20.3 mm

Interpupillary Adjustment: 56 to 72 mm / 2.2 to 2.8-inch

Diopter Adjustment: -4 to +10

Focus Type: Center

Environmental Resistance: Water-Resistant (Unrated)

Dimensions: 9 x 4.7 x 11.8-inch / 22.86 x 11.94 x 29.97 cm

Weight: 3.3 lb / 1.5 kg